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Perdas de nutrientes associadas ao escoamento e aos sedimentos erodidos em encostas sob plantio direto
(Universidade Federal de Santa Maria, 2022-01-31)
No-tillage (NT) is widely used in areas of grain crops in tropical and subtropical regions.
However, crops fields under NT with low phytomass addition and without runoff control
practices are highly susceptible to ...
Produtividade da soja influenciada por fontes de cálcio e enxofre no sistema plantio direto
(Universidade Federal de Santa Maria, 2023-01-20)
Although calcium and sulfur are secondary nutrients, they play a critical role in plant
growth and development. The present study aimed to evaluate the effect of soil
application of the commercial products Calsite and ...
Densidade e flutuação populacional de ácaros fitófagos em cultivares de soja
(Universidade Federal de Santa Maria, 2013-02-19)
ARTIGO 1:
The spider mites occurrence and population density were studied at two times in reproductive growth stage in 22 soybean cultivars in Rio Grande do Sul, Brazil. The main specie found in this study was Mononychellus ...
Modelagem da severidade de Phakopsora pachrhizi em soja e relações de seus pontos críticos de desenvolvimento com variáveis meteorológicas
(Universidade Federal de Santa Maria, 2022-09-23)
Asian soybean rust is a disease with a high impact on soybean yield levels, especially in
Latin America. As it is a fungal disease, climatic conditions are directly linked to its level
of progress and degree of severity ...
Alternativas de mitigação da compactação do solo para implantação da soja em áreas de terras baixas no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2022-12-19)
The state of Rio Grande do Sul is the largest national producer of irrigated rice. However, problems with resistance of weeds to herbicides used for this crop have made its use unfeasible in some areas. Crop rotation with ...
Relação dos índices de vegetação com a produtividade de milho em áreas irrigadas no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2022-08-29)
The supply of food to the world’s population is a largely discussed topic, with the need
to increase yield without increasing the field, prioritizing the sustainability of water resources,
energy and the environment. ...
Crescimento de calêndula e produção de flavonóides em diferentes épocas de semeadura e suprimento hídrico
(Universidade Federal de Santa Maria, 2007-12-07)
The cultivation of medicinal plants, like marigold, is increasing in Brazil and is an alternative for cultivation in small areas. For this reason it is important to know about its bioclimatic requirements and its phenometric ...
Nitrato na solução do solo e na água de fontes para consumo humano numa microbacia hidrográfica produtora de fumo
(Universidade Federal de Santa Maria, 2006-11-24)
The tobacco production system in Rio Grande do Sul state is mainly developed in small farms, using shallow soils in steep slope. In these areas rivers are born forming small
watersheds. The areas are fragilized by use of ...
Caracterização de sedimento e de contaminantes numa microbacia hidrográfica antropizada
(Universidade Federal de Santa Maria, 2007-03-28)
The agricultural activities generate an impact on the environment that needs constant study to improve the understanding of the ways, levels and implantation of litigator practices of contamination. The study of contaminants ...
A gestão social descentralizada a partir do PRONAF Infra-estrutura e serviços municipais: avaliação da experiência do Conselho Municipal de Desenvolvimento Rural de São Pedro do Sul - RS.
(Universidade Federal de Santa Maria, 2006-12-21)
In the 90 s Brazil experienced an increasing process of decentralization of public policies which sought to institutionalize, through social management councils, the demand of social movements for the comanagement of local ...